Hi, I believe you have the pump 1 revolution out of time. See this post: https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=farmall&th=956728
Also I believe your 454 would have a Bosch BR pump so see post from archives from DieselTech: EPVA distributor pumps had 3 versions, AR, BR, and CR. AR and BR had the delivery valve fittings at an angle while latest CR type had fittings that came out straight. Pumps will interchange but injection lines may need changed or old line bent as needed to fit. Also CR inlet and outlet line bolts are the same, while AR and BR use a pressurising valve in the return line. Bolts are the same size, don't get the wrong bolt at the inlet. May not start or will barely run if the pressurising bolt is placed at inlet banjo.
So the bolt that goes in the inlet fitting will allow Diesel fuel to flow freely. Turn bolt with head down and pour so Diesel fuel into opening at top and fuel should run out the holes in the bolt.
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